I need to know if exist some correlation between the work hardening calculate;
1) by the tensile relation Ultimate Tensile Strength / Yield Strength obtained from a tensile test and
2) the hardeness relation (H-H0)/H0 where H is the micro-hardness of the machined surface material and H0 is the microhardness of the as-received material.
Many thanks.
Dear Daniel,
Please, find attached some example images as taken from Callister's book [1].
Hope this is useful,
Jose
[1] W.D. Callister, D.G. Rethwisch, Materials Science and Engineering: An Introduction, John Wiley & Sons, New York, 2018, pp. 960
Many thanks for this information Jose Ignacio Rojas Gregorio but with the milling process, how could I do to establish the percentaje of cold working in the machined surface, please?
I recommend you the next article:
http://dx.doi.org/10.1007/s00170-014-5812-9
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